[deliverable/linux.git] / sound / soc / pxa / pxa2xx-ac97.c

/*
 * linux/sound/pxa2xx-ac97.c -- AC97 support for the Intel PXA2xx chip.
 *
 * Author:	Nicolas Pitre
 * Created:	Dec 02, 2004
 * Copyright:	MontaVista Software Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/init.h>
#include <linux/module.h>
#include <linux/platform_device.h>

#include <sound/core.h>
#include <sound/ac97_codec.h>
#include <sound/soc.h>
#include <sound/pxa2xx-lib.h>

#include <mach/hardware.h>
#include <mach/pxa-regs.h>

#include "pxa2xx-pcm.h"
#include "pxa2xx-ac97.h"

static void pxa2xx_ac97_warm_reset(struct snd_ac97 *ac97)
{
	pxa2xx_ac97_try_warm_reset(ac97);

	pxa2xx_ac97_finish_reset(ac97);
}

static void pxa2xx_ac97_cold_reset(struct snd_ac97 *ac97)
{
	pxa2xx_ac97_try_cold_reset(ac97);

	pxa2xx_ac97_finish_reset(ac97);
}

struct snd_ac97_bus_ops soc_ac97_ops = {
	.read	= pxa2xx_ac97_read,
	.write	= pxa2xx_ac97_write,
	.warm_reset	= pxa2xx_ac97_warm_reset,
	.reset	= pxa2xx_ac97_cold_reset,
};

static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_out = {
	.name			= "AC97 PCM Stereo out",
	.dev_addr		= __PREG(PCDR),
	.drcmr			= &DRCMR(12),
	.dcmd			= DCMD_INCSRCADDR | DCMD_FLOWTRG |
				  DCMD_BURST32 | DCMD_WIDTH4,
};

static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_in = {
	.name			= "AC97 PCM Stereo in",
	.dev_addr		= __PREG(PCDR),
	.drcmr			= &DRCMR(11),
	.dcmd			= DCMD_INCTRGADDR | DCMD_FLOWSRC |
				  DCMD_BURST32 | DCMD_WIDTH4,
};

static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_out = {
	.name			= "AC97 Aux PCM (Slot 5) Mono out",
	.dev_addr		= __PREG(MODR),
	.drcmr			= &DRCMR(10),
	.dcmd			= DCMD_INCSRCADDR | DCMD_FLOWTRG |
				  DCMD_BURST16 | DCMD_WIDTH2,
};

static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_in = {
	.name			= "AC97 Aux PCM (Slot 5) Mono in",
	.dev_addr		= __PREG(MODR),
	.drcmr			= &DRCMR(9),
	.dcmd			= DCMD_INCTRGADDR | DCMD_FLOWSRC |
				  DCMD_BURST16 | DCMD_WIDTH2,
};

static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_mic_mono_in = {
	.name			= "AC97 Mic PCM (Slot 6) Mono in",
	.dev_addr		= __PREG(MCDR),
	.drcmr			= &DRCMR(8),
	.dcmd			= DCMD_INCTRGADDR | DCMD_FLOWSRC |
				  DCMD_BURST16 | DCMD_WIDTH2,
};

#ifdef CONFIG_PM
static int pxa2xx_ac97_suspend(struct platform_device *pdev,
	struct snd_soc_dai *dai)
{
	return pxa2xx_ac97_hw_suspend();
}

static int pxa2xx_ac97_resume(struct platform_device *pdev,
	struct snd_soc_dai *dai)
{
	return pxa2xx_ac97_hw_resume();
}

#else
#define pxa2xx_ac97_suspend	NULL
#define pxa2xx_ac97_resume	NULL
#endif

static int pxa2xx_ac97_probe(struct platform_device *pdev,
			     struct snd_soc_dai *dai)
{
	return pxa2xx_ac97_hw_probe(pdev);
}

static void pxa2xx_ac97_remove(struct platform_device *pdev,
			       struct snd_soc_dai *dai)
{
	pxa2xx_ac97_hw_remove(pdev);
}

static int pxa2xx_ac97_hw_params(struct snd_pcm_substream *substream,
				struct snd_pcm_hw_params *params)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;

	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
		cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_out;
	else
		cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_in;

	return 0;
}

static int pxa2xx_ac97_hw_aux_params(struct snd_pcm_substream *substream,
	struct snd_pcm_hw_params *params)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;

	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
		cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_out;
	else
		cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_in;

	return 0;
}

static int pxa2xx_ac97_hw_mic_params(struct snd_pcm_substream *substream,
	struct snd_pcm_hw_params *params)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;

	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
		return -ENODEV;
	else
		cpu_dai->dma_data = &pxa2xx_ac97_pcm_mic_mono_in;

	return 0;
}

#define PXA2XX_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
		SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
		SNDRV_PCM_RATE_48000)

/*
 * There is only 1 physical AC97 interface for pxa2xx, but it
 * has extra fifo's that can be used for aux DACs and ADCs.
 */
struct snd_soc_dai pxa_ac97_dai[] = {
{
	.name = "pxa2xx-ac97",
	.id = 0,
	.type = SND_SOC_DAI_AC97,
	.probe = pxa2xx_ac97_probe,
	.remove = pxa2xx_ac97_remove,
	.suspend = pxa2xx_ac97_suspend,
	.resume = pxa2xx_ac97_resume,
	.playback = {
		.stream_name = "AC97 Playback",
		.channels_min = 2,
		.channels_max = 2,
		.rates = PXA2XX_AC97_RATES,
		.formats = SNDRV_PCM_FMTBIT_S16_LE,},
	.capture = {
		.stream_name = "AC97 Capture",
		.channels_min = 2,
		.channels_max = 2,
		.rates = PXA2XX_AC97_RATES,
		.formats = SNDRV_PCM_FMTBIT_S16_LE,},
	.ops = {
		.hw_params = pxa2xx_ac97_hw_params,},
},
{
	.name = "pxa2xx-ac97-aux",
	.id = 1,
	.type = SND_SOC_DAI_AC97,
	.playback = {
		.stream_name = "AC97 Aux Playback",
		.channels_min = 1,
		.channels_max = 1,
		.rates = PXA2XX_AC97_RATES,
		.formats = SNDRV_PCM_FMTBIT_S16_LE,},
	.capture = {
		.stream_name = "AC97 Aux Capture",
		.channels_min = 1,
		.channels_max = 1,
		.rates = PXA2XX_AC97_RATES,
		.formats = SNDRV_PCM_FMTBIT_S16_LE,},
	.ops = {
		.hw_params = pxa2xx_ac97_hw_aux_params,},
},
{
	.name = "pxa2xx-ac97-mic",
	.id = 2,
	.type = SND_SOC_DAI_AC97,
	.capture = {
		.stream_name = "AC97 Mic Capture",
		.channels_min = 1,
		.channels_max = 1,
		.rates = PXA2XX_AC97_RATES,
		.formats = SNDRV_PCM_FMTBIT_S16_LE,},
	.ops = {
		.hw_params = pxa2xx_ac97_hw_mic_params,},
},
};

EXPORT_SYMBOL_GPL(pxa_ac97_dai);
EXPORT_SYMBOL_GPL(soc_ac97_ops);

MODULE_AUTHOR("Nicolas Pitre");
MODULE_DESCRIPTION("AC97 driver for the Intel PXA2xx chip");
MODULE_LICENSE("GPL");
Commit	Line	Data
75b41027 LG	1	/*
	2	* linux/sound/pxa2xx-ac97.c -- AC97 support for the Intel PXA2xx chip.
	3	*
	4	* Author: Nicolas Pitre
	5	* Created: Dec 02, 2004
	6	* Copyright: MontaVista Software Inc.
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License version 2 as
	10	* published by the Free Software Foundation.
	11	*/
	12
	13	#include <linux/init.h>
	14	#include <linux/module.h>
	15	#include <linux/platform_device.h>
75b41027	16
75b41027	17	#include <sound/core.h>
75b41027	18	#include <sound/ac97_codec.h>
75b41027	19	#include <sound/soc.h>
9c636342	20	#include <sound/pxa2xx-lib.h>
75b41027	21
a09e64fb RK	22	#include <mach/hardware.h>
a09e64fb RK	23	#include <mach/pxa-regs.h>
75b41027 LG	24
75b41027 LG	25	#include "pxa2xx-pcm.h"
596ce32b	26	#include "pxa2xx-ac97.h"
75b41027	27
75b41027 LG	28	static void pxa2xx_ac97_warm_reset(struct snd_ac97 *ac97)
75b41027 LG	29	{
9c636342	30	pxa2xx_ac97_try_warm_reset(ac97);
75b41027	31
9c636342	32	pxa2xx_ac97_finish_reset(ac97);
75b41027 LG	33	}
	34
	35	static void pxa2xx_ac97_cold_reset(struct snd_ac97 *ac97)
	36	{
9c636342	37	pxa2xx_ac97_try_cold_reset(ac97);
7a22323b	38
9c636342	39	pxa2xx_ac97_finish_reset(ac97);
75b41027 LG	40	}
	41
	42	struct snd_ac97_bus_ops soc_ac97_ops = {
	43	.read = pxa2xx_ac97_read,
	44	.write = pxa2xx_ac97_write,
	45	.warm_reset = pxa2xx_ac97_warm_reset,
	46	.reset = pxa2xx_ac97_cold_reset,
	47	};
	48
	49	static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_out = {
	50	.name = "AC97 PCM Stereo out",
	51	.dev_addr = __PREG(PCDR),
87f3dd77	52	.drcmr = &DRCMR(12),
75b41027 LG	53	.dcmd = DCMD_INCSRCADDR \| DCMD_FLOWTRG \|
	54	DCMD_BURST32 \| DCMD_WIDTH4,
	55	};
	56
	57	static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_in = {
	58	.name = "AC97 PCM Stereo in",
	59	.dev_addr = __PREG(PCDR),
87f3dd77	60	.drcmr = &DRCMR(11),
75b41027 LG	61	.dcmd = DCMD_INCTRGADDR \| DCMD_FLOWSRC \|
	62	DCMD_BURST32 \| DCMD_WIDTH4,
	63	};
	64
	65	static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_out = {
	66	.name = "AC97 Aux PCM (Slot 5) Mono out",
	67	.dev_addr = __PREG(MODR),
87f3dd77	68	.drcmr = &DRCMR(10),
75b41027 LG	69	.dcmd = DCMD_INCSRCADDR \| DCMD_FLOWTRG \|
	70	DCMD_BURST16 \| DCMD_WIDTH2,
	71	};
	72
	73	static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_in = {
	74	.name = "AC97 Aux PCM (Slot 5) Mono in",
	75	.dev_addr = __PREG(MODR),
87f3dd77	76	.drcmr = &DRCMR(9),
75b41027 LG	77	.dcmd = DCMD_INCTRGADDR \| DCMD_FLOWSRC \|
	78	DCMD_BURST16 \| DCMD_WIDTH2,
	79	};
	80
	81	static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_mic_mono_in = {
	82	.name = "AC97 Mic PCM (Slot 6) Mono in",
	83	.dev_addr = __PREG(MCDR),
87f3dd77	84	.drcmr = &DRCMR(8),
75b41027 LG	85	.dcmd = DCMD_INCTRGADDR \| DCMD_FLOWSRC \|
	86	DCMD_BURST16 \| DCMD_WIDTH2,
	87	};
	88
	89	#ifdef CONFIG_PM
	90	static int pxa2xx_ac97_suspend(struct platform_device *pdev,
917f93ac	91	struct snd_soc_dai *dai)
75b41027	92	{
9c636342	93	return pxa2xx_ac97_hw_suspend();
75b41027 LG	94	}
	95
	96	static int pxa2xx_ac97_resume(struct platform_device *pdev,
917f93ac	97	struct snd_soc_dai *dai)
75b41027	98	{
9c636342	99	return pxa2xx_ac97_hw_resume();
75b41027 LG	100	}
	101
	102	#else
	103	#define pxa2xx_ac97_suspend NULL
	104	#define pxa2xx_ac97_resume NULL
	105	#endif
	106
bdb92876	107	static int pxa2xx_ac97_probe(struct platform_device *pdev,
917f93ac	108	struct snd_soc_dai *dai)
75b41027	109	{
9c636342	110	return pxa2xx_ac97_hw_probe(pdev);
75b41027 LG	111	}
75b41027 LG	112
a84534dc DB	113	static void pxa2xx_ac97_remove(struct platform_device *pdev,
a84534dc DB	114	struct snd_soc_dai *dai)
75b41027	115	{
9c636342	116	pxa2xx_ac97_hw_remove(pdev);
75b41027 LG	117	}
	118
	119	static int pxa2xx_ac97_hw_params(struct snd_pcm_substream *substream,
	120	struct snd_pcm_hw_params *params)
	121	{
	122	struct snd_soc_pcm_runtime *rtd = substream->private_data;
917f93ac	123	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
75b41027 LG	124
75b41027 LG	125	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
596ce32b	126	cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_out;
75b41027	127	else
596ce32b	128	cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_in;
75b41027 LG	129
	130	return 0;
	131	}
	132
	133	static int pxa2xx_ac97_hw_aux_params(struct snd_pcm_substream *substream,
	134	struct snd_pcm_hw_params *params)
	135	{
	136	struct snd_soc_pcm_runtime *rtd = substream->private_data;
917f93ac	137	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
75b41027 LG	138
75b41027 LG	139	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
596ce32b	140	cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_out;
75b41027	141	else
596ce32b	142	cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_in;
75b41027 LG	143
	144	return 0;
	145	}
	146
	147	static int pxa2xx_ac97_hw_mic_params(struct snd_pcm_substream *substream,
	148	struct snd_pcm_hw_params *params)
	149	{
	150	struct snd_soc_pcm_runtime *rtd = substream->private_data;
917f93ac	151	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
75b41027 LG	152
	153	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
	154	return -ENODEV;
	155	else
596ce32b	156	cpu_dai->dma_data = &pxa2xx_ac97_pcm_mic_mono_in;
75b41027 LG	157
	158	return 0;
	159	}
	160
596ce32b LG	161	#define PXA2XX_AC97_RATES (SNDRV_PCM_RATE_8000 \| SNDRV_PCM_RATE_11025 \|\
	162	SNDRV_PCM_RATE_16000 \| SNDRV_PCM_RATE_22050 \| SNDRV_PCM_RATE_44100 \| \
	163	SNDRV_PCM_RATE_48000)
	164
75b41027 LG	165	/*
	166	* There is only 1 physical AC97 interface for pxa2xx, but it
	167	* has extra fifo's that can be used for aux DACs and ADCs.
	168	*/
917f93ac	169	struct snd_soc_dai pxa_ac97_dai[] = {
75b41027 LG	170	{
	171	.name = "pxa2xx-ac97",
	172	.id = 0,
	173	.type = SND_SOC_DAI_AC97,
	174	.probe = pxa2xx_ac97_probe,
	175	.remove = pxa2xx_ac97_remove,
	176	.suspend = pxa2xx_ac97_suspend,
	177	.resume = pxa2xx_ac97_resume,
	178	.playback = {
	179	.stream_name = "AC97 Playback",
	180	.channels_min = 2,
596ce32b LG	181	.channels_max = 2,
	182	.rates = PXA2XX_AC97_RATES,
	183	.formats = SNDRV_PCM_FMTBIT_S16_LE,},
75b41027 LG	184	.capture = {
	185	.stream_name = "AC97 Capture",
	186	.channels_min = 2,
596ce32b LG	187	.channels_max = 2,
	188	.rates = PXA2XX_AC97_RATES,
	189	.formats = SNDRV_PCM_FMTBIT_S16_LE,},
75b41027 LG	190	.ops = {
75b41027 LG	191	.hw_params = pxa2xx_ac97_hw_params,},
75b41027 LG	192	},
	193	{
	194	.name = "pxa2xx-ac97-aux",
	195	.id = 1,
	196	.type = SND_SOC_DAI_AC97,
	197	.playback = {
	198	.stream_name = "AC97 Aux Playback",
	199	.channels_min = 1,
596ce32b LG	200	.channels_max = 1,
	201	.rates = PXA2XX_AC97_RATES,
	202	.formats = SNDRV_PCM_FMTBIT_S16_LE,},
75b41027 LG	203	.capture = {
	204	.stream_name = "AC97 Aux Capture",
	205	.channels_min = 1,
596ce32b LG	206	.channels_max = 1,
	207	.rates = PXA2XX_AC97_RATES,
	208	.formats = SNDRV_PCM_FMTBIT_S16_LE,},
75b41027 LG	209	.ops = {
75b41027 LG	210	.hw_params = pxa2xx_ac97_hw_aux_params,},
75b41027 LG	211	},
	212	{
	213	.name = "pxa2xx-ac97-mic",
	214	.id = 2,
	215	.type = SND_SOC_DAI_AC97,
	216	.capture = {
	217	.stream_name = "AC97 Mic Capture",
	218	.channels_min = 1,
596ce32b LG	219	.channels_max = 1,
	220	.rates = PXA2XX_AC97_RATES,
	221	.formats = SNDRV_PCM_FMTBIT_S16_LE,},
75b41027 LG	222	.ops = {
75b41027 LG	223	.hw_params = pxa2xx_ac97_hw_mic_params,},
596ce32b	224	},
75b41027 LG	225	};
	226
	227	EXPORT_SYMBOL_GPL(pxa_ac97_dai);
	228	EXPORT_SYMBOL_GPL(soc_ac97_ops);
	229
	230	MODULE_AUTHOR("Nicolas Pitre");
	231	MODULE_DESCRIPTION("AC97 driver for the Intel PXA2xx chip");
	232	MODULE_LICENSE("GPL");